Yarmulkes, otherwise known as Skull Caps, are worn by jewish persons during Prayer, Sabbath, and Holiday services and feasts.
Some prefer to wear it at all times. They are available in Black, White, ACU digital, Woodland and Day Desert camouflage and Woodland and Day Desert digital print.
Similarily, Tallits (Prayer Shawls) are also available in camouflage and digital print in various sizes.